Acremaster 404A
Power
515 hp
Production
1982-1984
Engine
Turbocharged diesel, 12-cylinder
Transmission
Power shift
Weight
46297 lbs [21000 kg]
Drive
4WD
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Introduction
Acremaster 404A Four-Wheel Drive Tractor
The Acremaster 404A is a heavy-duty four-wheel-drive tractor manufactured in Merredin, Australia, between 1982 and 1984. Designed for large-scale agricultural operations, this machine focuses on high-output traction and structural durability.
Engine and Performance
The tractor is powered by a Mercedes-Benz OM404A engine. This liquid-cooled, 12-cylinder turbocharged diesel unit features a displacement of 20.9 liters (1276 ci). It generates 515 horsepower (384.0 kW) at a rated speed of 2200 RPM, providing the necessary torque for demanding field tasks.
Transmission and Drivetrain
The vehicle utilizes a power shift transmission system, offering 12 forward gears and 3 reverse gears. This configuration allows for efficient speed management under load. The tractor is configured with permanent four-wheel drive and utilizes articulated power steering to assist with the maneuverability of the heavy chassis.
Dimensions and Operator Environment
The 404A has a physical footprint of 288.2 inches in length and 196.1 inches in width, with a height of 155.5 inches at the exhaust. The machine has an operating weight of 46,297 lbs (21,000 kg) and is equipped with 30.5x32 agricultural tires on both the front and rear axles. The operator station consists of a standard cab featuring air-conditioning as factory equipment.
Conclusion
The Acremaster 404A is engineered for heavy agricultural applications where high horsepower and significant traction are required. Its design reflects the requirements of 1980s broadacre farming, emphasizing raw power, operator environmental control, and mechanical reliability.
Production Information of Acremaster, 404A
- Four-wheel Drive (4WD) tractor
- Built in Merredin, Australia
| Manufacturer | Acremaster |
|---|
Dimension and Tires Information of Acremaster, 404A
| Length | 288.2 inches [732 cm] |
|---|---|
| Weight | 46297 lbs [21000 kg] |
| Width | 196.1 inches [498 cm] |
| Height (exhaust) | 155.5 inches [394 cm] |
| Ag front | 30.5x32 |
|---|---|
| Ag rear | 30.5x32 |
Engine Specifications of Acremaster, 404A
- Mercedes-Benz OM404A
- Liquid-cooled V12
- Turbocharged diesel
- 12-cylinder
| Power | 515 hp [384.0 kW] |
|---|---|
| Displacement | 1276 ci [20.9 L] |
| Rated RPM | 2200 |
| Bore/Stroke | 4.92x5.59 inches [125 x 142 mm] |
| Starter type | Electric |
Transmission Information of Acremaster, 404A
Transmission variants 1
| Type | Power shift |
|---|---|
| Gears | 12 forward and 3 reverse |
Mechanical Specs of Acremaster, 404A
- Four-wheel drive
- Articulated power steering
- Cab standard with air-conditioning.
Power Information of Acremaster, 404A
| Engine | 515 hp [384.0 kW] |
|---|
Where it sits
With 515 HP, the Acremaster 404A sits just above 404 (390 HP) in Acremaster's range. Its power puts it in the 99th percentile of 1980s models in our database (2052 machines).
Frequently asked questions
How much horsepower does the Acremaster 404A have?
The Acremaster 404A delivers 515 HP.
What years was the Acremaster 404A produced?
The Acremaster 404A was produced in 1982-1984.
What engine does the Acremaster 404A have?
The Acremaster 404A is powered by a Turbocharged diesel, 12-cylinder engine.
What transmission does the Acremaster 404A use?
The Acremaster 404A uses a Power shift transmission.
How much does the Acremaster 404A weigh?
The Acremaster 404A weighs 46297 lbs [21000 kg].
Is the Acremaster 404A 4WD?
The Acremaster 404A is available in 4WD.